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NOVA
Semi-Precious Pebbles
Where you find agates, volcanoes, the source of the gas bubbles, are usually not far way. And just a stone’s throw from the beach—at Gooseberry Falls—I find a landscape made of nothing but volcanic rock.
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The story of how African-American Percy Julian defied the odds to become a famous chemist.
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What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
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Journey back to the beginning of everything: the universe, Earth, and life itself.
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50:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
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51:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
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An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
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Will experimental particle physics confirm the wild predictions of string theory?